audit: type=1400 audit(1580739942.881:36): avc: denied { map } for pid=7403 comm="syz-executor004" path="/root/syz-executor004621964" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 md: md0 stopped. md: md0 stopped. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7434 at drivers/md/md.c:7177 md_ioctl+0x34b7/0x4bd0 drivers/md/md.c:7177 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7434 Comm: syz-executor004 Not tainted 4.14.169-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x2f/0x2f kernel/panic.c:547 report_bug+0x216/0x254 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:md_ioctl+0x34b7/0x4bd0 drivers/md/md.c:7177 RSP: 0018:ffff88808149fa20 EFLAGS: 00010297 RAX: ffff88809fc26480 RBX: 0000000000000932 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffff88808149fc68 R08: ffff8882154b95c8 R09: ffffffff89578590 R10: ffff88808149fa10 R11: ffff88809fc26480 R12: ffff8882154b95c0 R13: ffff8882199e4140 R14: ffff8882154b95e8 R15: ffff8882154b9788 __blkdev_driver_ioctl block/ioctl.c:297 [inline] blkdev_ioctl+0x95f/0x1850 block/ioctl.c:594 block_ioctl+0xde/0x120 fs/block_dev.c:1881 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4467f9 RSP: 002b:00007f27463e8db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 00000000004467f9 RDX: 0000000000000000 RSI: 0000000000000932 RDI: 0000000000000003 RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c R13: 00007ffe4e9f75bf R14: 00007f27463e99c0 R15: 0000000000000001 Kernel Offset: disabled Rebooting in 86400 seconds..